Hifonics ZeusZxi 8008 Manuel de l'utilisateur - Page 11
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- 1. Table of Contents
- 2. General Installation Procedure
- 3. Amplifier Feature Descriptions
- 4. Zxi6008 / Zxi1008 / Zxi1308 2 CHANNEL AMPLIFIER APPLICATIONS
- 5. Zxi4408 / Zxi6408 / Zxi8808 4 CHANNEL AMPLIFIER APPLICATIONS
- 6. Zxi8408 5 CHANNEL AMPLIFIER APPLICATIONS
- 6. Channel Discrete, One Being Mono Low Pass / 3 or 4 Channel Discrete, One Being Mono Low Pass / 3 Way Active
- 6. Front/Rear High Pass, with Constant Sub Bass
- 7. Setting up Systems after Installation for Best Performance
- 8. Troubleshooting and Diagnostics
- 9. Features and Specifications
- 10. Product Warranty
SETTING UP SYSTEMS AFTER INSTALLATION FOR BEST PERFORMANCE
General:
At this point you are ready to get more specific on the settings for your amplifier.
High Pass:
-When in Hi Pass operation, this setting acts as a low frequency cut off for your system reproduction. The point that you set it at cuts off any frequencies
from reproduction beyond this point. The 12 o'clock position is a great starting point. EXAMPLE: If you adjust the High Pass to 100Hz, the amplifier will
not play frequencies below 100Hz but will play frequencies from 100Hz to the chosen Low Pass frequency.
-When in Low Pass/Bandpass operation, this setting acts as a low frequency cut off for your system reproduction aka Subsonic Filter. The point that you
set it at cuts off any frequencies from reproduction beyond this point. The 12 o'clock position is a great starting point. EXAMPLE: If you adjust the High
Pass to 25Hz, the amplifier will not play frequencies below 25Hz but will play frequencies from 25Hz to the chosen Low Pass frequency.
-When in Flat/Full operation, the High Pass crossover is bypassed.
Bass EQ:
This setting is a fixed bass boost at 45Hz that is variable from 0-10dB. This feature provides impact to your bass, but if not adjusted correctly, it can be
over used and cause damage to your speakers and amplifiers. It is best to slowly turn this setting clockwise until the desired punch is felt. It is not
recommended to exceed the 12 o'clock position unless listening at a low volume or a low recording quality as this can result in high distortion and
possibly clipping.
Low Pass:
The Low Pass control acts as a ceiling and doesn't allow frequencies to the right of the desired setting to be reproduced. Turning the potentiometer all
the way to the right is a great starting point. EXAMPLE: If you adjust the Low Pass to 120Hz, the amplifier will not play frequencies above 120Hz but will
play frequencies from 120Hz to the chosen Hi Pass or Subsonic frequency.
-When in Hi Pass operation, this setting is bypassed.
Level Control Setup:
Ensure that the Level is turned completely to the left prior to turning the system on. Next you should insert a CD or cassette that you are familiar with to
use as a reference, and turn the head unit volume control to about 80% of its full setting. The system sound level will of course be very low, and the
following procedures will help you to match the amplifier input sensitivities properly to the head unit output signal level.
It is important to match the amplifier LEVEL input sensitivity to the Radio/CD output sensitivity. This can be located in the Radio/CD manual.
If the Radio/CD output sensitivity is 2 volts, then adjust the amplifier LEVEL input to 2 volts.
If you are not sure what the Radio output sensitivity is, follow these general guide lines:
Turn the level control up slowly, till you hear distortion, then back off a few degrees on the control. If at any point your amplifier goes into protection, you
will need to turn the Level to the left a bit and then try again. If you reach a point where the output does not increase, stop turning the Level control to the
right as the amplifier/speaker combo has reached its maxx output in this application.
2 or 3 way active systems (all):
Always start with the bass, or low frequency amplifier as a reference, by turning its control up to the point where distortion is audible, and back it off some.
Now adjust the level control for the highs or tweeter channels in a 2 way active system, to balance the highs to lows.
In a 3 way active system, match the midrange level to the bass, and then the highs to the midrange and bass. It may be necessary to perform a few iterations of
the midrange and highs level control settings to achieve a satisfactory sound balance.
Sit back and enjoy the music!
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